The primary purpose of ADS is to control the 3 cost options of dynamic steering, dynamic suspension and sports differential. Of the 3 the latter is of highest value benefit, to the subset of owners whose driving style pushes the standard rear differential beyond its limits. The dynamic...
You'll need a diagnostic scan. Usual symptom of PCV failure is excessive vacuum at the top of the engine - how hard is it to remove the oil filler cap whilst the engine is running?
I don't know about the manual, but the s-tronic transmission has a 38K miles ATF & filter change schedule. The rear diff is officially sealed for life.
From your other posts I assume this refers to a UK car. A 2012 build should have the 2nd generation 0B5 transmission. It was an improvement over the 1st, but the mere fact that there was a 3rd indicates that there were still problems to be fixed. My advice would be to find out for certain if it...
If it is a bad PCV then the supercharger needs to be removed to replace it. Other items which could be replaced at the same time are the waterpump and thermostat. Both are items that can leak and/or cause problems at higher mileage. Then there's the crank pulley and tensioner. The former has a...
PCV is the main cause of oil consumption on this engine. When you have topped up, how much effort was it to remove the fill cap? A bad PCV can create quite a vacuum.
It is possible to get a dipstick which fits this engine (although there isn't one specifically for it). I don't recall the part...
Stage 1 should have taken the peak torque from 400Nm to 500Nm. AFAIK the 0CL DSG was rated to 400Nm. Has the TCU tune increased clutch pressure?
Nevertheless since the car has done 127K it seems likely that the B clutch is worn. Both will need to be replaced.
If you can spare the time, go over to Audizine and read about 0B5 transmission experiences there. There are plenty of reports of problems and a few about the mechatronics repair kit. Maybe you'll get a better idea about how bad yours is and how urgent it is to take action.
Is this a 2009-2011 car? The early gearboxes did suffer from mechatronics problems. There is a mechatronic repair kit available.
But did I misread something? I thought that your problems were TCU comms and a possible clutchpack slip.
Mechatronics is all about gearchanges.
As you may have seen there's lots to be found about this gearbox on the web. This is worth reading:
https://forums.ross-tech.com/index.php?threads/15276/
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